The monkey team discovers a deserted Shuggazoom City with druid-like creatures called Wraiths until Jinmay arrives to help the team. As things appear to get better, Chiro gets a busted ankle, and the evil Valeena returns for revenge on the monkey team. Will Jinmay and the monkeys save the city?

While patrolling the city, Sparx crash lands the Fist Rocket 3 in front of the Super Robot. When they rescue him they find he has lost his sight. Then Gibson turns into a drooling insane idiot, Antauri starts to lose control of his body and Mandarin takes control of his mind, Nova starts to see scary hallucinations, Chiro turns into a little boy, and clam monsters chase Otto. Who could be bring their phobias to life and will the monkeys stop who ever's behind it?

A mysterious underground cult steals the Skeleton King' skull to gain limitless power, leading to a series of curses that fall upon Shuggazoom. The Hyperforce investigates beneath the city to stop the cult and the catastrophes. Meanwhile, witch Valeena and Mandarin set out to the same location to retrieve the skull.